Very durable grey granite has been quarried near Aberdeen for more than 300 years, and blocked and dressed paving "setts," kerb and building stones, and monumental and other ornamental work of granite have long been exported from the district to all parts of the world.

This path, which consists of some 60,000 setts laid directly into the earth, is perhaps the single most noteworthy 'feature' of the design, lending the whole conception a feeling of unity and coherence, enhancing the sense that one has been absorbed into both the place and the journey through it.